What To Solve?: Problems and Suggestions for Young Mathematicians Judita Cofman 10 mai 1990 Paperback Preț: 299.13 lei 389.89 lei 45-50 zile -23%
Numbers and Shapes Revisited: More Problems for Young Mathematicians Autor Judita Cofman 30 mar 1995 Paperback Preț: 196.21 lei 250.77 lei 45-50 zile -22%